Jump between matching BEGIN/END tokens

This functionality allows to Jump to BEGIN or END of the current block or jumping between corresponding BEGIN/END tokens. To activate the function,
select corresponding command in SQL Editor context menu.
Note, that you can also use universal "JUMP" shortcuts Ctrl+Shift-Up Arrow to navigate "UP" (to BEGIN) or
Ctrl+Shift-Down Arrow to navigate "Down" (to END). These shortcuts are shared with
Jump between COLUMN/VALUE within INSERT statement functionality and
act depending on current cursor placement.